StackRadar

CVE-2021-3918

Critical

Advisory

Published 13 Nov 2021In the index since 6 Sept 2026
Severity
Critical
worst across findings
CVSS
9.8
base score, highest
EPSS
0.038
89th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
220
of 17,781 indexed, latest versions
Container images
220
deployed by those charts
Fix available
2 of 2
affected packages

json-schema is vulnerable to Prototype Pollution

Carried by container images the latest versions of 220 of 17,781 indexed charts deploy, on 220 images.

Affected packageAffected versionsFixed inImages
json-schemanpm0.2.2, 0.2.3, 0.3.00.4.0220
node-json-schemadeb0.2.3-10.2.3-1+deb10u1build0.20.04.11
OSV records
GHSA-896r-f27r-55mwUBUNTU-CVE-2021-3918
Also known as
USN-6103-1

Charts affected

220 by stars
ChartLatestAffected imagesRadar Score
pwssoketi0.2.41 of 1See more

pws soketi 0.2.4

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
quay.io/soketi/pws:0.8-16-alpine399d2e6b10ef
json-schema@0.2.3
0.4.0

Open the chart page →

3,228
alertmanager-to-alerta-botsomeblackmagic0.2.01 of 1See more

alertmanager-to-alerta-bot someblackmagic 0.2.0

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
someblackmagic/alertmanager-to-alerta-bot:latest78bf43744ea5
json-schema@0.2.3
0.4.0

Open the chart page →

2,121
alert-mappersomeblackmagic0.2.01 of 1See more

alert-mapper someblackmagic 0.2.0

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
someblackmagic/alert-mapper:v0.1.088351d85c04c
json-schema@0.2.3
0.4.0

Open the chart page →

1,890
fdi-dotstatsuite-dlmstatcan0.3.11 of 1See more

fdi-dotstatsuite-dlm statcan 0.3.1

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
siscc/dotstatsuite-data-lifecycle-manager:v14.0.0b6f9a7c888fc
json-schema@0.2.3
0.4.0

Open the chart page →

3,881
pachydermstatcan0.5.11 of 4See more

pachyderm statcan 0.5.1

1 of the 4 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
pachyderm/grpc-proxy:0.4.92b27f41d4d02
json-schema@0.2.3
0.4.0

Open the chart page →

4,967
kurento_webrtc_demostunner0.1.01 of 2See more

kurento_webrtc_demo stunner 0.1.0

1 of the 2 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
l7mp/kurento-one2one-call-server:latestfd2b2d06fff6
json-schema@0.2.3
0.4.0

Open the chart page →

12,460
stunner-kurento-one2one-callstunner0.1.01 of 2See more

stunner-kurento-one2one-call stunner 0.1.0

1 of the 2 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
l7mp/kurento-one2one-call-server:latestfd2b2d06fff6
json-schema@0.2.3
0.4.0

Open the chart page →

12,460
grafanasvtech-public-helm-charts1.0.01 of 2See more

grafana svtech-public-helm-charts 1.0.0

1 of the 2 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
svtechnmaa/svtech_grafana:v1.2.21d71314424aa
json-schema@0.2.3
0.4.0

Open the chart page →

10,902
dashkioskt3n2.0.01 of 1See more

dashkiosk t3n 2.0.0

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
quay.io/t3n/dashkiosk:v2.7.8c973e166a5dc
json-schema@0.2.3
0.4.0

Open the chart page →

3,827
trudesktechpreta1.0.01 of 3See more

trudesk techpreta 1.0.0

1 of the 3 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
polonel/trudesk:1.2.60cf6513f6fe3
json-schema@0.2.3
0.4.0

Open the chart page →

4,017
csmmth-chartsVerified publisher0.1.01 of 3See more

csmm th-charts 0.1.0

1 of the 3 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
catalysm/csmm:latestf003b35f54d9
json-schema@0.2.3
0.4.0

Open the chart page →

3,576
pock-helm-charttinote-chart0.1.01 of 3See more

pock-helm-chart tinote-chart 0.1.0

1 of the 3 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
denisshav/backend:latest4cc8dc5a4499
json-schema@0.2.3
0.4.0

Open the chart page →

6,881
kubernetes-external-secretstrozz6.3.01 of 1See more

kubernetes-external-secrets trozz 6.3.0

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
ghcr.io/external-secrets/kubernetes-external-secrets:6.3.0eab9bd0b6986
json-schema@0.2.3
0.4.0

Open the chart page →

2,838
genievhdirkVerified publisher0.1.31 of 1See more

genie vhdirk 0.1.3

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
stanfordoval/almond-server:latest1a63cdccedaf
json-schema@0.2.3
0.4.0

Open the chart page →

3,129
queryservice-gatewaywbstack0.2.01 of 1See more

queryservice-gateway wbstack 0.2.0

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
ghcr.io/wbstack/queryservice-gateway:2.2ab8e2f583e56
json-schema@0.2.3
0.4.0

Open the chart page →

2,559
cadencewenerme0.23.01 of 5See more

cadence wenerme 0.23.0

1 of the 5 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
ubercadence/web:v3.29.58564a5b44a6d
json-schema@0.2.3
0.4.0

Open the chart page →

10,127
temporalwenerme0.15.11 of 13See more

temporal wenerme 0.15.1

1 of the 13 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
temporalio/web:1.14.033cfa863d8ce
json-schema@0.2.3
0.4.0

Open the chart page →

22,665
opendistro-eswitcom-gmbh1.13.31 of 3See more

opendistro-es witcom-gmbh 1.13.3

1 of the 3 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
amazon/opendistro-for-elasticsearch-kibana:1.13.2c740d7a89475
json-schema@0.2.3
0.4.0

Open the chart page →

5,806
helloworldyotron-helm-charts0.1.01 of 1See more

helloworld yotron-helm-charts 0.1.0

1 of the 1 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
a5hut0sh/helloworld:1.02ae77620e616
json-schema@0.2.3
0.4.0

Open the chart page →

1,309
alertmanager-matrix-forwarderzloi-space1.0.11 of 2See more

alertmanager-matrix-forwarder zloi-space 1.0.1

1 of the 2 container images this version deploys carry CVE-2021-3918.

Container imageDigestPackageFixed in
zl0i/alertmanager-matrix-forwarder:v1.0.0e94047931739
json-schema@0.2.3
0.4.0

Open the chart page →

3,118

Container images carrying it

220 by charts deploying them

A fixed version is listed for 2 of the 2 affected packages.

Container imageDigestPackageFixed inUsed by
jupyterhub/configurable-http-proxy:3.0.0c36cf3cc1c99
json-schema@0.2.3
0.4.0
1
jupyterhub/k8s-singleuser-sample:0.11.1e3e6f3051df8
json-schema@0.2.3
0.4.0
1
konradkleine/docker-registry-frontend:v2181aad54ee64
json-schema@0.2.3
0.4.0
1
koumoul/capture:17108d47be3b2
json-schema@0.2.3
0.4.0
1
koumoul/openapi-viewer:18eeca2e8285b
json-schema@0.2.3
0.4.0
1
kubebb/tamp-portal:v5.6.0fadac6d52470
json-schema@0.2.3
0.4.0
1
kubebb/tdsf-portal:v5.7.0258458311bc9
json-schema@0.2.3
0.4.0
1
kubeflownotebookswg/centraldashboard:v1.6.137300551dea6
json-schema@0.2.3
0.4.0
1
kubesphere/examples-bookinfo-ratings-v1:1.13.0f1b5bf878196
json-schema@0.2.3
0.4.0
1
kvalitetsit/kithosting-networkpolicytests:0.0.12b99cfa3c5df
json-schema@0.2.3
0.4.0
1
langgenius/dify-api:1.0.0066035f93856
json-schema@0.2.3
0.4.0
1
langgenius/dify-api:0.6.11fca918260dd6
json-schema@0.2.3
0.4.0
1
lavandadelpatio/frontend:latest501c3f31e0bc
json-schema@0.2.3
0.4.0
1
leeyoongti/first-app:1.0.021d66cb76352
json-schema@0.2.3
0.4.0
1
linuxserver/calibre:version-v5.21.0a847b5b2d860
json-schema@0.2.3
0.4.0
1
linuxserver/cloud9:latest45c5fe102ff3
json-schema@0.2.2
0.4.0
1
linuxserver/codimd:latestb801bbcf6386
json-schema@0.2.3
0.4.0
1
linuxserver/grocy:version-v3.1.3291296e66c2a
json-schema@0.2.3
0.4.0
1
logentries/docker-logentries:0.2.1f1f90a236998
json-schema@0.2.3
0.4.0
1
lsstsqre/nublado2:2.0.1b75bf8aaafa4
json-schema@0.2.3
node-json-schema@0.2.3-1
0.4.0
0.2.3-1+deb10u1build0.20.04.1
1
lsstsqre/sciplat-hub:latest5e0ade6bed1c
json-schema@0.2.3
0.4.0
1
lsstsqre/squareone:0.4.09ded78e7fe03
json-schema@0.2.3
0.4.0
1
ltdstudio/terraforming-mars:latest0e76c6f4eac0
json-schema@0.2.3
0.4.0
1
markdegroot/unifi-protect-arm64:latestd8445f2a0de6
json-schema@0.2.3
0.4.0
1
matrixdotorg/matrix-appservice-gitter:latest0d37b4d42b47
json-schema@0.2.3
0.4.0
1
microcks/microcks-postman-runtime:latestcb72e46a1b3c
json-schema@0.2.3
0.4.0
1
milesmcc/shynet:v0.13.1ba54f7797a6b
json-schema@0.2.3
0.4.0
1
milesmcc/shynet:v0.12.0e821e31140f7
json-schema@0.2.3
0.4.0
1
minddocdev/hubot:0.1.96c60b11a4fa7
json-schema@0.2.3
0.4.0
1
misskey/misskey:12.110.1e08b7c478093
json-schema@0.2.3
0.4.0
1
mozilla/sentencecollector:2.0.91da6ff5c4895
json-schema@0.2.3
0.4.0
1
muluder/prograncontrollermcord:0.1.843b597a93da7
json-schema@0.2.3
0.4.0
1
nightscout/cgm-remote-monitor:14.2.500c3b4833f1b
json-schema@0.2.3
0.4.0
1
nodered/node-red:2.2.2e131dcadfe92
json-schema@0.2.3
0.4.0
1
nodered/node-red-docker:0.19.6-v8070643219ea2
json-schema@0.2.3
0.4.0
1
omecproject/onos-progran:1.0.05715e5648aa0
json-schema@0.2.3
0.4.0
1
ondrejsika/parking:latestb1fd497416c8
json-schema@0.2.3
0.4.0
1
openproject/community:12.0.2734743d11094
json-schema@0.2.3
0.4.0
1
openwhisk/alarmprovider:2.2.0b695a6ceb406
json-schema@0.2.3
0.4.0
1
oryd/hive-selfservice-ui-node:v0.0.426347ef0a2de
json-schema@0.2.3
0.4.0
1
pachyderm/grpc-proxy:0.4.92b27f41d4d02
json-schema@0.2.3
0.4.0
1
parithoshj/testnet-faucet:9859e0dcdca426fea6d
json-schema@0.2.3
0.4.0
1
patrickhulce/lhci-server:0.8.174b4b6a3954d
json-schema@0.2.3
0.4.0
1
phntom/camo:2.3.1a9b1304d6c71
json-schema@0.2.3
0.4.0
1
phntom/codimd:2.4.31b9aafbb62e6
json-schema@0.2.3
0.4.0
1
polonel/trudesk:1.2.60cf6513f6fe3
json-schema@0.2.3
0.4.0
1
rakii8585/angular-node-webapp:latest026082a515ac
json-schema@0.2.3
0.4.0
1
refar/apm-portal:v5.7.1dcca8e4477a6
json-schema@0.2.3
0.4.0
1
requarks/wiki:canary-2.5.2438b5865a7386c
json-schema@0.2.3
0.4.0
1
roadiehq/community-backstage-image:latestef355bf5b639
json-schema@0.2.3
0.4.0
1

syft 1.42.1 · advisories as of 14 Sept 2026

Corrections: contact@stackradar.io

Catalogue: Artifact Hub · Advisories: OSV · Exploitation: FIRST EPSS, CISA KEV.